Door-handle



C. P. POND.

DOOR HANDLE.

APPLICATION FILED MAR-2?, 1917.

9&5,w. Patented June 3,1919.

1 UNITED: STATES PATEN mm cranks fr; Penn, or rHILann P'HIa, PENNSYLVANIA).

,DOOR'HFWDLE- To all whom it may concern: 7

Be it known that I, CLARKE P. POND, a citizen of the United States, residing in Philadelphia, Pennsylvania, have invented Door-Handles, of which the following is a specification.

' One object of my invention is to provide a novel form of door handle particularly designed to prevent the transmission of abnormal or injurious torsional stresses to the lock or latch mechanism actuated thereby, the invention more particularly contemplating a novel form of stop which, after a handle has been turned through an angle suflicient to properly operate the latch or look, will cause any further turning stress to be transmitted directly from said handle to the door structure without permitting strain of or injury to the spindle on which the handle is mounted or to the latch or lock mechanism.

These objects and other advantageous ends I secure as hereinafter set forth, reference being had to the accompanying drawings, in which,

Figure 1 is a side elevation of a door latch and lock, showing a handle connected thereto in accordance with my invention;

Fig. 2 is a fragmentary section taken through the handle and a portion of the door structure onthe line 2-2, Fig. l; and

Figs. 3 and 4 are perspective views illustrating the preferred construction of the handle and the cooperating portion of the door structure, in accordance with my invention.

In the above drawings 11 represents the two face plates of a metal door which is provided with a latch or look casing 2. This latter may be'equipped with any desired locking mechanism and has a latch bolt 3 connected to be actuated by a square section spindle 4 which projects at opposite sides of the door andlis designed for the reception of handles whereby it may be turned at will to withdraw the normally projected latch bolt 3.

In the present case I rigidly fix to each of the external faces of the door plates 1 and 1 an abutment plate 5 which is shown as held in position by relatively heavy screws 6,and is substantially concentric with the spindle 4. Each handle 7 has the form of a bar projecting parallel with the outer surface of the door and is provided with a Specification of Letters Patent. Pg ttejnte d J 11116 3, 19 19.

' Application file d March 27, 1917; Serial No; 157,754. i i I I head portion 8 into which the spindle 4 passes and to which it is held by a pin 9. This head is so formed as to space the handle 7 away from the surface of the door and adjacent the latter it is expanded to substantially the diameter of the plate 5 to form a casing 10. 7

Within this expanded or casing portion are a pair of integral oppositely placed lugs 11 designed to cooperate with abutments 12 forming a part of a projection from the outer face of the plate 5, and the coacting faces of these two sets of abutments are preferably formed to lie in planes radial of the spindle i; it being noted that the angular length of each of the recesses partially defined by each pair of the faces 13-13 is greater than the angular length of the lug 11 of the handle Which operates within it, so that said handle may be turned through a certain angle without interference from said abutments.

The parts are so proportioned that this permissible angular movement of the handle 11 is suflicient to properly operate the latch bolt 3 and if it be attempted to turn said handle further, its abutments 11 engage the shoulders or faces 13 of the abutments 12,

the force applied to turn said handle. The

spindle 4 is thus relieved of stress after it 7 has been turned sufficiently to draw in or operate the latch bolt and there is consequently no danger of injury either to said spiilildle or to the mechanism connected therewit While in the foregoing description and in the claims I have referred to a latch as the device which is actuated by the handle, it is to be understood that any other desired form of door holding or retaining device which includes one or more elements which it is desired: to protect from abnormal stresses transmitted from the handle, may be substituted for such latch without departing from my invention.

I claim;--

1. The combination of a door; a bolt therefor; mechanism for actuating the bolt including a rotary spindle; at least one abutment mounted on the door; a handle fixed to the spindle and having a portion inclosing said abutment; with a second abutment mounted to engage the abutment on the door after the handlewith the spindle has been spindle and inelu'd ing' a -flange extending turned through a predetermined angle. I I over said abntments on the plate; with abut- 2. The combination of a door; a bolt inents on said Vfian ge placed to cooperate 1 therefor; mechanism for actnatingthe bolt with-said 'abntments on the plate to limit I 5 including a rotary spindle; a plateon the thBJ'OtiLtlOIl of the handle with said spindle. door adjacent said spindle and having'op "In Witness whereof I afiix my signature. posite abutments; a handle fixed to the v CLARKE]? POND.

Copies of this patent may-be obtained for five'eents each by addressing the Commissioner of Patents, Washington, D. G. 

